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Refactoring the pass and pipeline, so that inputs and size are handed to and returned from the build function (formerly setSize). This is now the earliest place to build bind groups, which makes sense, because it's also the earliest place to create textures that are proportional to the size of the canvas.

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Rezmason
2021-11-15 00:30:09 -08:00
parent b0a4acdfdb
commit 1b61e304a5
10 changed files with 142 additions and 144 deletions
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39
js/webgpu/resurrectionPass.js
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@@ -11,7 +11,7 @@ import { loadShader, makeUniformBuffer, makeComputeTarget, makeBindGroup, makePa
const numVerticesPerQuad = 2 * 3;
export default (context, getInputs) => {
export default (context) => {
const { config, device, timeBuffer } = context;
const linearSampler = device.createSampler({
@@ -21,12 +21,13 @@ export default (context, getInputs) => {
let computePipeline;
let configBuffer;
let computeBindGroup;
let output;
let screenSize;
const assets = [loadShader(device, "shaders/wgsl/resurrectionPass.wgsl")];
const ready = (async () => {
const loaded = (async () => {
const [resurrectionShader] = await Promise.all(assets);
computePipeline = device.createComputePipeline({
@@ -40,34 +41,32 @@ export default (context, getInputs) => {
configBuffer = makeUniformBuffer(device, configUniforms, { ditherMagnitude: 0.05, backgroundColor: config.backgroundColor });
})();
const setSize = (width, height) => {
const build = (size, inputs) => {
output?.destroy();
output = makeComputeTarget(device, width, height);
screenSize = [width, height];
};
output = makeComputeTarget(device, size);
screenSize = size;
const getOutputs = () => ({
primary: output,
});
const execute = (encoder) => {
const inputs = getInputs();
const tex = inputs.primary;
const bloomTex = inputs.bloom;
const computePass = encoder.beginComputePass();
computePass.setPipeline(computePipeline);
const computeBindGroup = makeBindGroup(device, computePipeline, 0, [
computeBindGroup = makeBindGroup(device, computePipeline, 0, [
configBuffer,
timeBuffer,
linearSampler,
tex.createView(),
bloomTex.createView(),
inputs.primary.createView(),
inputs.bloom.createView(),
output.createView(),
]);
return {
primary: output,
};
};
const run = (encoder) => {
const computePass = encoder.beginComputePass();
computePass.setPipeline(computePipeline);
computePass.setBindGroup(0, computeBindGroup);
computePass.dispatch(Math.ceil(screenSize[0] / 32), screenSize[1], 1);
computePass.endPass();
};
return makePass(getOutputs, ready, setSize, execute);
return makePass(loaded, build, run);
};